WinForm控件之【Chart】

基本介绍

图表控件，图表对象属性比较丰富再此不做详细描述解读，通过下列例子相信初学者很快就能上手。

常设置属性

Titles：图表标题；

ChartAreas：图表区，对图表区域的XY轴、网格、数据展示格式类型等的各属性；

Series：图表序列，显示图表类型、数据点个属性、轴标签、调色板等设置；

Legends：图表图例，一般用于解释图表区域部分色调指向或数据分析；

Name：指示代码中用来标识该对象的名称；

事例举例

 

相关代码

        //加载 每日实时票房
        private void btn_dailyBoxOffice_Click(object sender, EventArgs e)
        {
            //不显示图例
            foreach (System.Windows.Forms.DataVisualization.Charting.Legend item in chart1.Legends)
            {
                item.Enabled = false;
            }
            //设置背景为白色
            chart1.ChartAreas[0].BackColor = Color.White;

            //标题
            if (chart1.Titles.Count > 0) chart1.Titles.Clear();
            System.Windows.Forms.DataVisualization.Charting.Title title = new System.Windows.Forms.DataVisualization.Charting.Title("实时票房", System.Windows.Forms.DataVisualization.Charting.Docking.Top, new System.Drawing.Font("宋体", 16F), Color.Black);
            //title.Alignment = ContentAlignment.MiddleCenter;
            chart1.Titles.Add(title);

            //图表设置
            chart1.ChartAreas[0].Area3DStyle.Enable3D = false;
            chart1.ChartAreas[0].AxisY.Interval = 170;//设置刻度间隔为170
            chart1.ChartAreas[0].AxisY.LabelStyle.Format = "";
            chart1.ChartAreas[0].AxisX.Minimum = 0;
            chart1.ChartAreas[0].AxisX.IsMarginVisible = true;
            chart1.ChartAreas[0].AxisX.MajorGrid.LineColor = Color.Silver;
            chart1.ChartAreas[0].AxisY.MajorGrid.LineColor = Color.Silver;
            chart1.ChartAreas[0].AxisX.MajorGrid.Enabled = false;//不显示X主要网格线
            chart1.ChartAreas[0].AxisY.MajorGrid.Enabled = true;//显示Y主要网格线
            chart1.ChartAreas[0].AxisX.MajorTickMark.Enabled = false;//不显示X主要刻度线
            chart1.ChartAreas[0].AxisY.MajorTickMark.Enabled = false;//不显示Y主要刻度线

            //标签上不显示数据点的值
            chart1.Series[0].IsValueShownAsLabel = false;
            //设置调色板
            chart1.Series[0].Palette = System.Windows.Forms.DataVisualization.Charting.ChartColorPalette.Pastel;
            //设置纵向条形图类型
            chart1.Series[0].ChartType = System.Windows.Forms.DataVisualization.Charting.SeriesChartType.Bar;
            chart1.Series[0].CustomProperties = "";

            if (chart1.Series[0].Points.Count > 0) chart1.Series[0].Points.Clear();

            //添加数据
            chart1.Series[0].Points.AddXY("其他", 90);
            chart1.Series[0].Points.AddXY("爱宠大机密2", 50);
            chart1.Series[0].Points.AddXY("猪八戒.传说", 60);
            chart1.Series[0].Points.AddXY("蜘蛛侠：英雄远征", 100);
            chart1.Series[0].Points.AddXY("扫毒2：天地对决", 250);
            chart1.Series[0].Points.AddXY("狮子王", 500);
            chart1.Series[0].Points.AddXY("银河补习班", 800);

            lbl_unit.Visible = true;
        }

        //加载 影片排片占比
        private void btn_filmRatio_Click(object sender, EventArgs e)
        {

            chart1.ChartAreas[0].BackColor = Color.White;//设置背景为白色

            //标题
            if (chart1.Titles.Count > 0) chart1.Titles.Clear();
            System.Windows.Forms.DataVisualization.Charting.Title title = new System.Windows.Forms.DataVisualization.Charting.Title("排片占比", System.Windows.Forms.DataVisualization.Charting.Docking.Top, new System.Drawing.Font("宋体", 16F), Color.Black);
            chart1.Titles.Add(title);

            //设置3D效果
            chart1.ChartAreas[0].Area3DStyle.Enable3D = true;
            chart1.ChartAreas[0].Area3DStyle.PointDepth = 50;
            chart1.ChartAreas[0].Area3DStyle.PointGapDepth = 50;
            chart1.ChartAreas[0].Area3DStyle.WallWidth = 0;//设置墙的宽度为0

            //图表设置
            chart1.ChartAreas[0].AxisY.LabelStyle.Format = "0%";
            chart1.ChartAreas[0].AxisY.Interval = 0.05;//设置刻度间隔为5%
            chart1.ChartAreas[0].AxisX.Minimum = 0.1;
            chart1.ChartAreas[0].AxisX.MajorGrid.Enabled = false;//不显示X网格线
            chart1.ChartAreas[0].AxisY.MajorGrid.Enabled = false;//不显示Y网格线
            chart1.ChartAreas[0].AxisX.MajorTickMark.Enabled = false;//不显示X主要刻度线
            chart1.ChartAreas[0].AxisY.MajorTickMark.Enabled = false;//不显示Y主要刻度线

            chart1.Series[0].IsValueShownAsLabel = true;//显示标签
            chart1.Series[0].Label = "#VAL{P}";//设置数据点标签的文本格式

            //设置数据点展示形式为圆柱形
            chart1.Series[0].CustomProperties = "DrawingStyle=Cylinder, PointWidth=1";
            //设置调色板
            chart1.Series[0].Palette = System.Windows.Forms.DataVisualization.Charting.ChartColorPalette.Pastel;
            //设置图表类型
            chart1.Series[0].ChartType = System.Windows.Forms.DataVisualization.Charting.SeriesChartType.Column;


            if (chart1.Series[0].Points.Count > 0) chart1.Series[0].Points.Clear();
            //数据
            chart1.Series[0].Points.AddXY("银河补习班", 0.3437);
            chart1.Series[0].Points.AddXY("狮子王", 0.2127);
            chart1.Series[0].Points.AddXY("扫毒2：天地对决", 0.1845);
            chart1.Series[0].Points.AddXY("蜘蛛侠：英雄远征", 0.0691);
            chart1.Series[0].Points.AddXY("猪八戒.传说", 0.0069);
            chart1.Series[0].Points.AddXY("爱宠大机密2", 0.0221);
            chart1.Series[0].Points.AddXY("其他", 0.161);

            //多次加载时清理图例
            chart1.Legends[0].Enabled = false;
            if (chart1.Legends.Count > 1) chart1.Legends.RemoveAt(1);

            //创建影片图例
            System.Windows.Forms.DataVisualization.Charting.Legend legend = new System.Windows.Forms.DataVisualization.Charting.Legend();
            legend.Title = "影片名称";

            Dictionary<string, Color> dic = new Dictionary<string, Color>();
            dic.Add("银河补习班", Color.Red);
            dic.Add("狮子王", Color.Pink);
            dic.Add("扫毒2：天地对决", Color.Blue);
            dic.Add("蜘蛛侠：英雄远征", Color.SkyBlue);
            dic.Add("猪八戒.传说", Color.GreenYellow);
            dic.Add("爱宠大机密2", Color.Orange);
            dic.Add("其他", Color.MediumPurple);

            //加载图例列
            foreach (System.Windows.Forms.DataVisualization.Charting.DataPoint item in chart1.Series[0].Points)
            {
                item.IsVisibleInLegend = true;
                item.LegendText = item.AxisLabel;
                item.Color = dic[item.AxisLabel];

                System.Windows.Forms.DataVisualization.Charting.LegendItem legendItem = new System.Windows.Forms.DataVisualization.Charting.LegendItem();
                legendItem.Color = dic[item.AxisLabel];
                legendItem.Name = item.AxisLabel;
                legend.CustomItems.Add(legendItem);
            }
            chart1.Legends.Add(legend);

            lbl_unit.Visible = false;
        }